G21
G90
G40

G1 Z5 F500

G0 X0 Y0


(horizontal pattern)
G0 X-952.5 Y10
G1 Z-2 F500
G1 Y-10
G1 Z5
G0 X952.5 Y10
G1 Z-2
G1 Y-10
G1 Z5


(vertical pattern)
G0 X-10 Y450
G1 Z-2
G1 X10
G1 Z5
G0 X-10 Y-450
G1 Z-2
G1 X10
G1 Z3

(lower left square)
G0 X-952.5 Y-350
G1 Z-2
G1 Y-450
G1 X-852.5
G1 Y-350
G1 X-952.5
G1 Z5

(upper left square)
G0 Y450
G1 Z-2
G1 Y350
G1 X-852.5
G1 Y450
G1 X-952.5
G1 Z5

(upper right square)
G0 X852.5 Y450
G1 Z-2
G1 Y350
G1 X952.5
G1 Y450
G1 X852.5
G1 Z5

(lower right square)
G0 X852.5 Y-350
G1 Z-2
G1 Y-450
G1 X952.5
G1 Y-350
G1 X852.5
G1 Z5
